Update codecov/codecov-action action to v5

Author: renovate[bot]

.github/workflows/main.yml

@@ -50,7 +50,7 @@ jobs:
         run: poetry run mypy
 
       - name: Upload coverage reports to Codecov with GitHub Action on Python 3.11
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         if: ${{ matrix.python-version == '3.11' }}
 
   check-docs: